Talent.com
Founding Engineer, Frontend
Founding Engineer, FrontendCENNA Systems Inc. • San Francisco, CA, United States
Founding Engineer, Frontend

Founding Engineer, Frontend

CENNA Systems Inc. • San Francisco, CA, United States
30+ days ago
Job type
  • Full-time
Job description

About the Role

As a Founding Frontend Engineer at Cenna, you will lead the creation of intuitive, high-performance user interfaces for our agentic services platform. Your work will define the user experience, ensuring our AI-powered products are accessible, responsive, and visually compelling.

Responsibilities

  • Design and build responsive, user-friendly interfaces using modern frontend technologies
  • Implement pixel-perfect designs that align with product vision and user needs
  • Optimize frontend performance for speed, scalability, and accessibility
  • Collaborate with backend and AI engineers to integrate APIs and AI-driven features
  • Work with product and design teams to iterate on UI / UX based on user feedback
  • Establish frontend architecture, coding standards, and best practices
  • Mentor junior engineers and contribute to a culture of technical excellence

Requirements

  • 5+ years of frontend development experience
  • Strong proficiency in HTML, CSS, and modern UI libraries (e.g., Tailwind, Material-UI, Shadcn)
  • Experience with state management (Redux, Zustand, or similar)
  • Knowledge of web performance optimization and accessibility standards
  • Strong problem-solving skills and attention to detail
  • Excellent communication and teamwork abilities
  • Nice to Have

  • Experience building interfaces for AI-driven or data-intensive applications
  • Knowledge of WebGL, animations, or advanced visualization techniques
  • Experience with CI / CD pipelines for frontend deployment
  • Contributions to open-source frontend projects
  • Prior experience in a startup or rapid-growth environment
  • Apply for this Position

    Ready to join our team? We'd love to hear from you! Please send your resume and a brief introduction to careers@cenna.io with the subject line "Founding Engineer, Frontend Application".

    Interested in Cenna but don't see the right role? We're always looking for talented individuals.

    #J-18808-Ljbffr

    Create a job alert for this search

    Founding Engineer • San Francisco, CA, United States

    Related jobs
    Founding Frontend Engineer (Staff)

    Founding Frontend Engineer (Staff)

    Transparent Search Group • San Francisco, California, United States
    Full-time
    Quick Apply
    Founding Frontend Engineer (Staff).Variant is seeking a Founding Frontend Engineer to own and shape the frontend of our platform. This is a Senior II / Staff-level role based in San Francisco, CA.We...Show more
    Last updated: 30+ days ago
    Frontend Engineer – Onboarding

    Frontend Engineer – Onboarding

    Tech Cratic • San Francisco, CA, United States
    Full-time
    Technology has revolutionized how we approach job hunting, and this book streamlines the process into a fast, efficient system that works. Instead of relying on outdated advice,.Don’t miss out on th...Show more
    Last updated: 30+ days ago • Promoted
    Senior Frontend Engineer, Expenses

    Senior Frontend Engineer, Expenses

    Airwallex • San Francisco, CA, United States
    Full-time
    Airwallex is the only unified payments and financial platform for global businesses.Powered by our unique combination of proprietary infrastructure and software, we empower over 150,000 businesses ...Show more
    Last updated: 30+ days ago • Promoted
    Senior Frontend Engineer, Reliability Experience

    Senior Frontend Engineer, Reliability Experience

    Jobsanywhere • San Francisco, CA, United States
    Full-time
    Airbnb was born in 2007 when two hosts welcomed three guests to their San Francisco home, and has since grown to over 5 million hosts who have welcomed over 2 billion guest arrivals in almost every...Show more
    Last updated: 10 days ago • Promoted
    Senior Frontend Engineer

    Senior Frontend Engineer

    AICrete • San Francisco, CA, United States
    Full-time
    Location : Hybrid (with options for remote work).At AICrete, we are committed to revolutionizing the global concrete and construction industry. Leveraging AI, machine learning, computer vision, and s...Show more
    Last updated: 30+ days ago • Promoted
    Senior Frontend Engineer, Observability & Evals Platform (LangSmith)

    Senior Frontend Engineer, Observability & Evals Platform (LangSmith)

    LangChain • San Francisco, CA, United States
    Full-time
    At LangChain, our mission is to make intelligent agents ubiquitous.We help developers build mission-critical AI applications across the entire agent development lifecycle.Our open source frameworks...Show more
    Last updated: 10 days ago • Promoted
    Senior Frontend Engineer in San Francisco - Skyfire

    Senior Frontend Engineer in San Francisco - Skyfire

    WorksHub • San Francisco, CA, United States
    Full-time
    Skyfire is a payment platform designed for the emerging machine economy, where AI and machines need to transact seamlessly and autonomously. It addresses the limitations of current financial systems...Show more
    Last updated: 30+ days ago • Promoted
    Frontend Engineer

    Frontend Engineer

    Numeric • San Francisco, CA, United States
    Full-time
    Strong product market fit : we tripled our recurring revenue in 2024 and we're accelerating.Companies like OpenAI, Braze, Figma, Anthropic customers are just a few of our wide audience which ranges ...Show more
    Last updated: 30+ days ago • Promoted
    Founding Frontend Engineer (Staff)

    Founding Frontend Engineer (Staff)

    Variant • San Francisco, CA, United States
    Full-time
    Sets a high bar for quality but knows when to ship.Writes fast, maintainable code.Knows what working at a startup entails and is fully committed. Sees what needs to be done and does it.Works with us...Show more
    Last updated: 30+ days ago • Promoted
    Frontend Engineer — Founding Team, AI-Native Platform

    Frontend Engineer — Founding Team, AI-Native Platform

    Fabrion • San Francisco, CA, United States
    Full-time
    A tech startup in the San Francisco Bay Area is seeking a Frontend Engineer to design and build user-friendly interfaces for their AI-native data platform. This role involves working closely with th...Show more
    Last updated: 5 days ago • Promoted
    Founding Engineer

    Founding Engineer

    Weekday AI • San Francisco, CA, US
    Full-time
    Quick Apply
    This job is for a client of Weekday.One of the fastest growing YC startups.We will fast track your application if you apply here. We’re an early-stage startup building AI-driven tools that help cons...Show more
    Last updated: 30+ days ago
    Software Engineer, Frontend

    Software Engineer, Frontend

    algojobs • San Francisco, CA, United States
    Full-time
    Flexible, should be able to travel to the SF bay area frequently.Blueprint was founded by Bryan Johnson, who has the world’s best comprehensive biomarkers. He is quantitatively the healthiest person...Show more
    Last updated: 21 days ago • Promoted
    Founding Platform Engineer

    Founding Platform Engineer

    Magic Mondayz • San Francisco, CA, United States
    Full-time
    At Recode HR, we are collaborating with a cutting-edge, YC-backed voice AI startup to find a Founding Senior Platform Engineer (Backend). This role is perfect for engineers who have a robust backgro...Show more
    Last updated: 30+ days ago • Promoted
    Staff Frontend Engineer - Dragonfly Portfolio

    Staff Frontend Engineer - Dragonfly Portfolio

    P2P • San Francisco, CA, United States
    Full-time
    Staff Frontend Engineer - Dragonfly Portfolio.Remote • San Francisco • New York City • London • EMEA.Dragonfly is a crypto-native Venture Capital and research firm with. Our Talent team works to sup...Show more
    Last updated: 27 days ago • Promoted
    Software Engineer, Frontend

    Software Engineer, Frontend

    Blueprint • San Francisco, CA, United States
    Full-time
    Flexible, should be able to travel to the SF bay area frequently.Blueprint was founded by Bryan Johnson, who has the world’s best comprehensive biomarkers. He is quantitatively the healthiest person...Show more
    Last updated: 25 days ago • Promoted
    Frontend Engineer

    Frontend Engineer

    Fable Security • San Francisco, CA, United States
    Full-time
    AI-driven threats and human error are today’s biggest enterprise security risks.Cybercriminals don’t hack systems—they exploit people. Human errors drive 70% of security breaches, making human behav...Show more
    Last updated: 10 days ago • Promoted
    Software Engineer, Frontend

    Software Engineer, Frontend

    OpenAI • San Francisco, CA, United States
    Full-time
    OpenAI’s Applications Engineering organization builds and operates the products that bring our cutting‑edge research to millions of users and developers worldwide. We power products such as ChatGPT,...Show more
    Last updated: 30+ days ago • Promoted
    Founding Engineer (Frontend)

    Founding Engineer (Frontend)

    Momentic • San Francisco, CA, United States
    Full-time
    Founding Engineer (Frontend) – Momentic.We’re building the future of quality, powering our customers' SDLC with AI‑driven automated testing. Our tests run daily at scale across a lean team of profes...Show more
    Last updated: 30+ days ago • Promoted